I have sendmail configured on my SOLARIS 10 server. But right now, it uses
by default root@mysun.localdomain.
I wanted to change the default from field to a outside ISP address, so that I can send email to any outside internet email address without changing the FROM field...... because right now i can do the following to override the default from field
The problem is that sendmail can be rather complex. You might want to check www.sendmail.org and look up the masquerade configuration options. I set up my openbsd sendmail server to masquerade and the docs are pretty clear.
For example, the mc files are in /usr/share/sendmail (there's a nice readme there too). Under cf I have an openbsd-proto.mc file which is what's used to manage my configuration. The enabled options are:
Which lets me assign specific domains to specific accounts on my system. That way my personal account's e-mail is different than my business account.
/etc/mail/local-host-names holds the two domains I have and /etc/mail/genericstable holds the account name -> account name (at) FQDN and account name (at) localhost -> account name (at) FQDN.
thanks for your reply. I have tried to read the sendmail.org doco but seems a bit confusing for a newbie like me.
Also, the "dnl" word that you used after those commands, does this activate the command on *.mc file or does it comment it out ? Whatz the purpose of it ?
I just want all emails gng out from my sun server to have a specific outside email address - my ISP's email id. Since I have a local domain on my sun server, under the local-host-names i just have "mysun.localdomain". I tried to use the genericstable and created its db file using makemap command. The genericstable contains root@mysun.localdomain <tab space> my.isp's.email.id
In the sendmail.mc file (/etc/mail/cf/cf) i have
Code:
divert(-1)
#
# Copyright (c) 1983 Eric P. Allman
# Copyright (c) 1988, 1993
# The Regents of the University of California. All rights reserved.
#
# Copyright 2004 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
#
# ident "@(#)sendmail.mc 1.11 04/06/21 SMI"
#
# This is a configuration file for SunOS 5.8 (a.k.a. Solaris 8) and later
# subsidiary machines. It has support for local and SMTP mail. The
# confFALLBACK_SMARTHOST macro is enabled, which means that messages will
# be sent to that host (which is set to mailhost.$m [$m is the local domain])
# if MX records are unavailable. A short-cut rule is also defined, which
# says if the recipient host is in the local domain, send to it directly
# instead of the smart host.
#
# If you want to customize this further, copy it to a name appropriate
# for your environment and do the modifications there.
#
divert(0)dnl
VERSIONID(`@(#)sendmail.mc 1.11 (Sun) 06/21/04')
OSTYPE(`solaris8')dnl
DOMAIN(`solaris-generic')dnl
define(`confFALLBACK_SMARTHOST', `mailhost$?m.$m$.')dnl
FEATURE(generics_entire_domain)
FEATURE(genericstable, `hash -o /etc/mail/genericstable')
GENERICS_DOMAIN(`localdomain')
MAILER(`local')dnl
MAILER(`smtp')dnl
R$* < @ $* .$m. > $* $#esmtp $@ $2.$m $: $1 < @ $2.$m. > $3
LOCAL_NET_CONFIG
Once I compiled the sendmail.cf from the above file, it was placed into /etc/mail/. Anyways after compilation when I tried to start sendmail , it wouldn't start and gave the following error on console (please note that I edited the sendmail.cf file to include my isp's smtp address under sendmail's relay host command DSsmtp.address.of.myISP)
The sendmail server wouldn't start and kept giving me the above rewrite errors. But if I comment that R$ statement in the sendmail.cf, the sendmail server would start but the FROM address is still unchanged and all my emails bounce back as they go from "root@mysun.localdomain".
If you don't want to mess around with sendmail configuration files, and it's only you sending out e-mail, you should be able to simply create an alias for "sendmail -f my@outside.email.address", like
Code:
alias 'mailit=sendmail -f my@outside.address'
Put that in your .profile (or whatever shell's config file you are using) and it should take care of the issue.
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